Improvement in swedges for horseshoe-calks



E wm n. WITHEBS, on ,PARKTON, MARYLAND.

IMPROVEMENT m swEDeEs FOR HoRsEsHoE-cAL s.

Specification forming part of Letters Patent No. 115,405, dated May 30,1871.

To allwhom it may concebn:

Be it known that :1, EDWIN 1). wmm, of Parkton, Baltimore county,Maryland, have invented a new and useful Improvement in the Manufactureof Horseshoes; and I hereby declare that .the following is a fulldescription jthereof, reference being had to the accompa nying drawingand to the letters of reference marked thereon. A A A My inventionconsists of certain novel swedges,,and the manufacture of horseshoes orthe calks thereof by means of such swedges.

In the accompanying drawing, Sheet 1, Figure 1 is a swedge for makingsummer calks; Figs. 2 and 3 represent the summer calks made therein;Fig. 4 isaswedge for making the winter calks; Figs. 5 and 7 are thewinter calks;

and Fig. 6 a cross-section thereof.

I In Sheet 2, Fig. 8 is.a bar of steel with a blank calk cutnearlyjofiz' from the bar. Fig.

9 is a taper-punch for forming the mortises in y the shoe to receivethetenons of the calks. Fig. 10 is the body of the shoe, with mortisestoreceive the tenons of the calks. y

. Inthe manufacture of horseshoes with my improved swedges the main partof the shoe may be made as seen in Fig. 10, Sheet 2,at A.

A The mortises B are finished by means of the punch, Fig. 9, which, isslightly beveled in order to facilitate the removal of the calks, whichare to be heldin place by the pins 0, passing through the shanks ortenons of the calks. In

making calks from the bar of steel Fig. 8, the blank is heated, outcompletely off, and the point of the blank inserted into the'swedgasay,atthe left hand, Fig.1, so that the point swedge. Then the blank ishammered into the swedge, completely forming both the shank and themainpart of the calk. The hole E of the swedges is a little beveled, togive the shank of the calk the slight taper necessary to facilitate itsremovaLfrom the shoe after being worn. The heel-calk is made in likemanner at the right hand of the swedge, Fig. 1. The toe-calks are seenin Fig. 2, and the heel-calk in Fig. 3, both having verybroad faces.After these calks have been worn and the faces thereof have become moreor less oblique, the. toe-ealk, Fig. 2, may be turned around so as tobring the original back side in front, and the twoheel-calks may beexchanged and thus reversed. When these calks have been a second timeworn they may be heated and then inserted in swedge, Fig. 4, andhammered into shape for winter use, as represented, in Figs. 5 and 7,and thus worn a third time.

I do not broadly claim swedges for manufaoturing removable calks ofhorseshoes, but confine my invention to the peculiar swedges andmanufacture above described.

Having described my invention, I claim-- The above-described swedges,Figs. 1 and 4, Sheet 1, for the manufacture of horseshoes orhorseshoe-calks, substantially in the manner and for the purposes setforth.

EDWIN D. WITHERS.

Witnesses DANIEL BREED, WM. H. SEAMAN.

